<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title></title>
</head>
<body>
	<img src="1.jpg">
	<script type="text/javascript" src="../jquery-3.2.1.js"></script>
	<script type="text/javascript">
		$("img").attr("title", "人车合一")
		// 设置多个属性
		$("img").attr({
			title:"人车合二",
			width: "500px"
		})
		// 获取
		console.log($("img").attr("title"))
	</script>
</body>
</html>